SNLS696C April 2021 – July 2024 TSER953
PRODUCTION DATA
The link between the TSER953 and the companion deserializer has two distinct data paths. The first path is a forward channel which is nominally running at up to 4.16Gbps and is encoded such that the channel occupies a bandwidth from 20MHz to 2.1GHz. The second path is a back channel from the deserializer to the serializer which occupies a frequency range nominally from 10MHz to 50MHz.
For these two communications links to operate properly, the circuit between the serializer and the deserializer must present a characteristic impedance of 50Ω. Deviations from this 50Ω characteristic lead to signal reflections either at the serializer or deserializer, which result in bit errors.